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machinelearning's Introduction

MachineLearning

机器学习算法代码及个人总结整理,对于算法实现部分,在相应目录中都包含有源码和数据以及测试实例,内容正在不断完善中!如有错误,还望读者指出,非常感谢,若您觉得对你有帮助,可以在右上角给个star哈(#^.^#)。PS:所有代码均符合我们整理出来的这份编码规范.

Contents

算法部分目前主要包含如下部分:

Supplementary

Contributor

  • 刘帝伟, CSU硕士毕业,关注AI、机器学习、深度学习方向,HomePage.

Contact

如果有任何疑问,可在我的微信公众号后台留言:

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machinelearning's People

Contributors

csuldw avatar mingzhang96 avatar snailsword avatar zyc1gq avatar

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machinelearning's Issues

程序问题

楼主发布的 mRMR 代码,与作者发布的代码一样:

http://home.penglab.com/proj/mRMR/

我简单看了一下代码,很多Bug,楼主有运行过吗?

首先是nrutil.cpp中的语法错误:

void nrerror(error_text)
char error_text[];

...

float *vector(nl,nh)
long nh,nl;

...

这样定义和声明函数形参列表?可能我学了假的C语言…

还有 compute_jointprob()函数,作者注释掉部分代码,说旧代码slow, 但是新代码好像忘了自己该干嘛吧?

程序错误

https://github.com/csuldw/MachineLearning/tree/master/Kmeans
程序错误导致计算的sse偏大

中的kmeans.py(lines:83)中

            if self._clusterAssment[i, 0] != min_index:
                cluster_changed = True  
                self._clusterAssment[i, :] = min_index, min_dist**2

应为

            if self._clusterAssment[i, 0] != min_index or self._clusterAssment[i, 1] > min_dist**2:
                cluster_changed = True  
                self._clusterAssment[i, :] = min_index, min_dist**2

望更正

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